The superstar couple announced the news via Instagram with both Joe and Sophie sharing a pic of the ~stunning~ engagement ring.
"I said yes." She wrote, while he captioned the pic: "She said yes."
Jonas, 28, and Turner, 21, started dating last year and have since flown to London together to meet Sophie's 'rents and spent Thanksgiving with the Jonas fam in California so it's safe to say that the pair are well and truly acquainted with each other's families.
Joe's younger bro Nick Jonas also shared a pic of Joe and Sophie's engagement announcement photo on Twitter.
"Ahh! Congratulations to my brother...and sister in law to be on your engagement," he wrote. "I love you both so much. @joejonas @SophieT."
Congratulations to the happy couple!